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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 44h ago
HOUSE PTR4h ago
SEC 13F4h ago
ROBINHOOD CHAIN4h ago
SEC FORM 4/Open-market purchaseVerified data

Krishna Suresh bought PRLB

Director, President and CEO · Proto Labs Inc · Common Stock

Side
BUY
Value
$52K
Shares
750
Price
$69.52
Executed
Nov 2, 2026
Disclosed
Nov 4, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Nov 2 executedNov 4, 2026 disclosed

PRLB · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
37/ 100 · ELEVATED
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+4 / 25

    $52K reported value · 2.5% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering+5 / 15

    1 other actor traded the same direction within 14 days

  • Market events0 / 10

    No material company filing within 60 days after the trade

  • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · PRLB

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    34
    GR
    Gawlick RainerDirector
    PRLBProto Labs Inc
    Open-market purchase
    BUY$49K
    720 sh
    Nov 3, 2026Nov 4, 2026
    traded Nov 3, 2026
    +1dSEC FORM 4

    Evidence

    15
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Open-market sale · 10b5-1 plan
    SELL$477K
    5,000 sh
    Sep 24, 2026Sep 25, 2026
    traded Sep 24, 2026
    +1dSEC FORM 4

    Evidence

    23
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Tax withholding
    F$362K
    6,809 sh
    Feb 10, 2026Feb 12, 2026
    traded Feb 10, 2026
    +2dSEC FORM 4

    Evidence

    16
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Option exercise
    M$106K
    3,135 sh
    Feb 11, 2026Feb 12, 2026
    traded Feb 11, 2026
    +1dSEC FORM 4

    Evidence

    9
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Option exercise
    M—
    3,135 sh
    Feb 11, 2026Feb 12, 2026
    traded Feb 11, 2026
    +1dSEC FORM 4

    Evidence

    12
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Tax withholding
    F$143K
    2,684 sh
    Feb 10, 2026Feb 12, 2026
    traded Feb 10, 2026
    +2dSEC FORM 4

    Evidence

    11
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Option exercise · 10b5-1 plan
    M—
    3,048 sh
    Nov 25, 2025Nov 26, 2025
    traded Nov 25, 2025
    +1dSEC FORM 4

    Evidence

    6
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Option exercise · 10b5-1 plan
    M$103K
    3,048 sh
    Nov 25, 2025Nov 26, 2025
    traded Nov 25, 2025
    +1dSEC FORM 4

    Evidence

    12
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Open-market sale · 10b5-1 plan
    SELL$153K
    3,048 sh
    Nov 25, 2025Nov 26, 2025
    traded Nov 25, 2025
    +1dSEC FORM 4

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001628280-26-070228
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 2, 2026
    Published
    Nov 4, 2026
    Ingested by INSIDER
    Nov 4, 22:39 UTC
    Last re-read
    Nov 5, 07:36 UTC

    Extracted facts

    Filer
    Krishna Suresh
    Role
    Director, President and CEO
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    Proto Labs Inc
    Ticker
    PRLB
    Shares
    750
    Price per share
    $69.52
    Value
    $52,140
    Execution date (reported)
    Nov 2, 2026
    Owned after transaction
    30.9K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 750
    • Price: $69.52

    = $52,140

    What this establishes

    Krishna Suresh filed this Form 4 reporting a open-market purchase of PRLB on Nov 2, 2026. It became public on Nov 4, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    Director, President and CEO
    Krishna Sureshcik:0001488151
    Issuer
    Proto Labs Inccik:0001443669

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.

    Source error

    Price history for PRLB is unavailable.

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